Home / 1,933.12-2,899.58-1,192.87

Finding the Fourth Proportional to 1,933.12, 2,899.58 and 1,192.87

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Solution

The fourth proportional to 1,933.12, 2,899.58 and 1,192.87 is: 1,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.12 : 2,899.58 = 1,192.87 : x
  2. Step 2: Convert to fraction form
    1,933.12/2,899.58 = 1,192.87/x
  3. Step 3: Cross multiply
    1,933.12x = 2,899.58 × 1,192.87
  4. Step 4: Simplify right side
    1,933.12x = 3,458,827.33
  5. Step 5: Solve for x
    x = 3,458,827.33/1,933.12
  6. Step 6: Final answer
    x = 1,789.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.